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Impregnated-tap metal-arc welding

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Impregnated-tap metal-arc welding is an arc welding process in which fusion is produced by heating with an electric arc between a metal electrode and the work. Shielding is obtained from decomposition of impregnated tape wrapped around the electrode as it is fed to the arc. Pressure is not used, and filler metal is obtained from the electrode.[1]

References

  1. http://www.weldguru.com/welding-terminology.html
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